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java-21-to-25

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Seamless Java 21 to 25 upgrade guide.

Software Engineering#migration#java#upgrade#build-tools#virtual-threads#jdk25
Authorbrunoborges
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Streamline upgrading Java projects from JDK 21 to JDK 25 by outlining migration patterns, feature adoption, and tooling changes to reduce risk and effort.

Core Features & Use Cases

  • Language feature adoption: unnamed variables, flexible constructor bodies, module imports, and compact source files
  • API modernization: Stream Gatherers, Class-File API, Scoped Values, Foreign Function & Memory API, and KDF API
  • Migration strategy: phased plan covering build updates, dependency migrations, testing, and deployment readiness

Quick Start

Upgrade your Java project from JDK 21 to JDK 25 following the guided steps to update compiler settings, remove Security Manager usage, and adopt new language and API features.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: java-21-to-25
Download link: https://github.com/brunoborges/gh-appmod/archive/main.zip#java-21-to-25

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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